/**
* Converts field annotations from Dexlib to Jimple
*
* @param h
* @param f
*/
void handleFieldAnnotation(Host h, Field f) {
Set<? extends Annotation> aSet = f.getAnnotations();
if (aSet != null && !aSet.isEmpty()) {
List<Tag> tags = handleAnnotation(aSet, null);
if (tags != null)
for (Tag t : tags)
if (t != null) {
h.addTag(t);
Debug.printDbg("add field annotation: ", t);
}
}
}
void handleClassAnnotation(ClassDef classDef) {
Set<? extends Annotation> aSet = classDef.getAnnotations();
if (aSet == null || aSet.isEmpty()) return;
List<Tag> tags = handleAnnotation(aSet, classDef.getType());
if (tags == null) return;
InnerClassAttribute ica = null;
for (Tag t : tags)
if (t != null) {
if (t instanceof InnerClassTag) {
if (ica == null) {
// Do we already have an InnerClassAttribute?
ica = (InnerClassAttribute) clazz.getTag("InnerClassAttribute");
// If not, create one
if (ica == null) {
ica = new InnerClassAttribute();
clazz.addTag(ica);
}
}
ica.add((InnerClassTag) t);
} else if (t instanceof VisibilityAnnotationTag) {
// If a dalvik/annotation/AnnotationDefault tag is present
// in a class, its AnnotationElements must be propagated
// to methods through the creation of new AnnotationDefaultTag.
VisibilityAnnotationTag vt = (VisibilityAnnotationTag) t;
for (AnnotationTag a : vt.getAnnotations()) {
if (a.getType().equals("Ldalvik/annotation/AnnotationDefault;")) {
for (AnnotationElem ae : a.getElems()) {
if (ae instanceof AnnotationAnnotationElem) {
AnnotationAnnotationElem aae = (AnnotationAnnotationElem) ae;
AnnotationTag at = aae.getValue();
// extract default elements
Map<String, AnnotationElem> defaults = new HashMap<String, AnnotationElem>();
for (AnnotationElem aelem : at.getElems()) {
defaults.put(aelem.getName(), aelem);
}
// create default tags containing default elements
// and add tags on methods
for (SootMethod sm : clazz.getMethods()) {
String methodName = sm.getName();
if (defaults.containsKey(methodName)) {
AnnotationElem e = defaults.get(methodName);
// Okay, the name is the same, but is it actually the same type?
Type annotationType = getSootType(e);
boolean isCorrectType = false;
if (annotationType == null) {
// we do not know the type of the annotation, so we guess it's the correct
// type.
isCorrectType = true;
} else {
if (annotationType.equals(sm.getReturnType())) {
isCorrectType = true;
} else if (annotationType.equals(ARRAY_TYPE)) {
if (sm.getReturnType() instanceof ArrayType) isCorrectType = true;
}
}
if (isCorrectType && sm.getParameterCount() == 0) {
e.setName("default");
AnnotationDefaultTag d = new AnnotationDefaultTag(e);
sm.addTag(d);
// In case there is more than one matching method, we only use the first one
defaults.remove(sm.getName());
}
}
}
for (Entry<String, AnnotationElem> leftOverEntry : defaults.entrySet()) {
// We were not able to find a matching method for the tag, because the return
// signature
// does not match
SootMethod found = clazz.getMethodByNameUnsafe(leftOverEntry.getKey());
AnnotationElem element = leftOverEntry.getValue();
if (found != null) {
element.setName("default");
AnnotationDefaultTag d = new AnnotationDefaultTag(element);
found.addTag(d);
}
}
}
}
}
}
if (!(vt.getVisibility() == AnnotationConstants.RUNTIME_INVISIBLE)) clazz.addTag(vt);
} else {
clazz.addTag(t);
}
Debug.printDbg("add class annotation: ", t, " type: ", t.getClass());
}
}
/**
* Converts method and method parameters annotations from Dexlib to Jimple
*
* @param h
* @param method
*/
void handleMethodAnnotation(Host h, Method method) {
Set<? extends Annotation> aSet = method.getAnnotations();
if (!(aSet == null || aSet.isEmpty())) {
List<Tag> tags = handleAnnotation(aSet, null);
if (tags != null)
for (Tag t : tags)
if (t != null) {
h.addTag(t);
Debug.printDbg("add method annotation: ", t);
}
}
ArrayList<String> parameterNames = new ArrayList<String>();
boolean addParameterNames = false;
for (MethodParameter p : method.getParameters()) {
String name = p.getName();
parameterNames.add(name);
if (name != null) addParameterNames = true;
}
if (addParameterNames) {
h.addTag(new ParamNamesTag(parameterNames));
}
// Is there any parameter annotation?
boolean doParam = false;
List<? extends MethodParameter> parameters = method.getParameters();
for (MethodParameter p : parameters) {
Debug.printDbg("parameter ", p, " annotations: ", p.getAnnotations());
if (p.getAnnotations().size() > 0) {
doParam = true;
break;
}
}
if (doParam) {
VisibilityParameterAnnotationTag tag =
new VisibilityParameterAnnotationTag(
parameters.size(), AnnotationConstants.RUNTIME_VISIBLE);
for (MethodParameter p : parameters) {
List<Tag> tags = handleAnnotation(p.getAnnotations(), null);
// If we have no tag for this parameter, add a placeholder
// so that we keep the order intact.
if (tags == null) {
tag.addVisibilityAnnotation(null);
continue;
}
VisibilityAnnotationTag paramVat =
new VisibilityAnnotationTag(AnnotationConstants.RUNTIME_VISIBLE);
tag.addVisibilityAnnotation(paramVat);
for (Tag t : tags) {
if (t == null) continue;
AnnotationTag vat = null;
if (!(t instanceof VisibilityAnnotationTag)) {
if (t instanceof DeprecatedTag) {
vat = new AnnotationTag("Ljava/lang/Deprecated;");
} else if (t instanceof SignatureTag) {
SignatureTag sig = (SignatureTag) t;
ArrayList<AnnotationElem> sigElements = new ArrayList<AnnotationElem>();
for (String s : SootToDexUtils.splitSignature(sig.getSignature()))
sigElements.add(new AnnotationStringElem(s, 's', "value"));
AnnotationElem elem = new AnnotationArrayElem(sigElements, 's', "value");
vat = new AnnotationTag("Ldalvik/annotation/Signature;", Collections.singleton(elem));
} else {
throw new RuntimeException(
"error: unhandled tag for parameter annotation in method " + h + " (" + t + ").");
}
} else {
vat = ((VisibilityAnnotationTag) t).getAnnotations().get(0);
}
Debug.printDbg("add parameter annotation: ", t);
paramVat.addAnnotation(vat);
}
}
if (tag.getVisibilityAnnotations().size() > 0) h.addTag(tag);
}
}